# Pip Freeze
Tool to produce better formatted pip freeze.
Instead of a flat list of requirements, this indents requirements which are dependencies and those that are primary installs. Dependencies shared by multiple packages are commented out.
This format can be re-read by the typical `pip install -r requirements.txt` and requires not adjustment to other code.
## Installation
`pip install pipfreeze`
## Basic Usage
`pipfreeze > requirements.txt`
## Motivation
Typical `pip freeze` flattens all requirements, regardless of the dependency structure.
``` bash
cycler==0.10.0
kiwisolver==1.3.1
matplotlib==3.3.4
numpy==1.20.1
pandas==1.2.2
Pillow==8.1.0
pyparsing==2.4.7
python-dateutil==2.8.1
pytz==2021.1
six==1.15.0
```
This `pipfreeze` command produces output that is valid requirements.txt but is nested
``` bash
matplotlib==3.3.4
cycler==0.10.0
six==1.15.0
kiwisolver==1.3.1
numpy==1.20.1
Pillow==8.1.0
pyparsing==2.4.7
python-dateutil==2.8.1
# six==1.15.0
pandas==1.2.2
# numpy==1.20.1
# python-dateutil==2.8.1
# six==1.15.0
pytz==2021.1
```
## Contributing
Local development is controlled through docker. `docker-compose.yml` contains
different python environment containers to test this code out in.
`make test` will run the docker tests.
Makefile contains commands for development.
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"description": "# Pip Freeze\n\nTool to produce better formatted pip freeze.\n\nInstead of a flat list of requirements, this indents requirements which are dependencies and those that are primary installs. Dependencies shared by multiple packages are commented out. \n\nThis format can be re-read by the typical `pip install -r requirements.txt` and requires not adjustment to other code. \n\n## Installation\n\n`pip install pipfreeze`\n\n## Basic Usage\n\n`pipfreeze > requirements.txt`\n\n## Motivation\n\nTypical `pip freeze` flattens all requirements, regardless of the dependency structure. \n\n``` bash\ncycler==0.10.0\nkiwisolver==1.3.1\nmatplotlib==3.3.4\nnumpy==1.20.1\npandas==1.2.2\nPillow==8.1.0\npyparsing==2.4.7\npython-dateutil==2.8.1\npytz==2021.1\nsix==1.15.0\n```\n\nThis `pipfreeze` command produces output that is valid requirements.txt but is nested\n\n``` bash\nmatplotlib==3.3.4\n cycler==0.10.0\n six==1.15.0\n kiwisolver==1.3.1\n numpy==1.20.1\n Pillow==8.1.0\n pyparsing==2.4.7\n python-dateutil==2.8.1\n # six==1.15.0\npandas==1.2.2\n # numpy==1.20.1\n # python-dateutil==2.8.1\n # six==1.15.0\n pytz==2021.1\n```\n\n## Contributing\n\nLocal development is controlled through docker. `docker-compose.yml` contains\ndifferent python environment containers to test this code out in.\n\n`make test` will run the docker tests.\n\nMakefile contains commands for development.\n\n\n",
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